Detection method for n-nitrosodimethylamine impurities
US-11519890-B2 · Dec 6, 2022 · US
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Ye Danfeng patents
Ye Danfeng is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ye Danfeng |
| Total patents | 2 |
| First publication | Sep 16, 2021 |
| Latest publication | Dec 6, 2022 |
Notable patents
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Detection method for n-nitrosodimethylamine impurities
US-2021285920-A1 · Sep 16, 2021 · US
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Zhejiang Huahai Pharm Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N30/7206 | 2 |
| G01N30/88 | 2 |
| G01N2030/067 | 2 |
| G01N2030/8872 | 2 |
| G01N2030/884 | 2 |